210200200021212 has 12 divisors (see below), whose sum is σ = 490467133382856. Its totient is φ = 70066733340400.

The previous prime is 210200200021193. The next prime is 210200200021243. The reversal of 210200200021212 is 212120002002012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210200200021191 and 210200200021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758341667539 + ... + 8758341667562.

It is an arithmetic number, because the mean of its divisors is an integer number (40872261115238).

Almost surely, 2^{210200200021212} is an apocalyptic number.

It is an amenable number.

210200200021212 is an abundant number, since it is smaller than the sum of its proper divisors (280266933361644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210200200021212 is a wasteful number, since it uses less digits than its factorization.

210200200021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516683335108 (or 17516683335106 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210200200021212 its reverse (212120002002012), we get a palindrome (422320202023224).

The spelling of 210200200021212 in words is "two hundred ten trillion, two hundred billion, two hundred million, twenty-one thousand, two hundred twelve".